create UIManager
Creates a UIManager instance for the provided ReactApplicationContext.
This method initializes tracing sections for performance monitoring, creates a FabricUIManager using the supplied ReactApplicationContext and ViewManagerRegistry, manages event beats, and registers FabricUIManagerBinding with the runtime environment of the provided ReactApplicationContext.
Return
A newly created FabricUIManager instance.
Parameters
context
The React application context.
Throws
If runtimeExecutor or runtimeScheduler is null.